ICD-10/D09.0

D09.0 ICD 2026 Code: Carcinoma in situ of bladder

D09.0 is the authoritative medical code for Carcinoma in situ of bladder. This classification is used in medical billing and clinical recording to specify the clinical criteria for carcinoma in situ of bladder (ICD-10-CM D09.0), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Carcinoma in situ of bladder is a billable ICD-10-CM diagnosis code D09.0. Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): melanoma in situ D03.-.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for D09.0 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • Bowen's disease
  • erythroplasia
  • grade III intraepithelial neoplasia
  • Queyrat's erythroplasia

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • melanoma in situ D03.-

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with D09.0?

Per Excludes1 instructions, D09.0 must not be reported with: melanoma in situ (D03.-).

Codes in This Family (11)

Official ICD-10-CM classifications in the same code family as D09.0, with their registry titles.

  • D09 — Carcinoma in situ of other and unspecified sites
  • D09.1 — Carcinoma in situ of other and unspecified urinary organs
  • D09.10 — Carcinoma in situ of unspecified urinary organ
  • D09.19 — Carcinoma in situ of other urinary organs
  • D09.2 — Carcinoma in situ of eye
  • D09.20 — Carcinoma in situ of unspecified eye
  • D09.21 — Carcinoma in situ of right eye
  • D09.22 — Carcinoma in situ of left eye
  • D09.3 — Carcinoma in situ of thyroid and other endocrine glands
  • D09.8 — Carcinoma in situ of other specified sites
  • D09.9 — Carcinoma in situ, unspecified

Neoplasm Table Sites (17)

Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.

  • Neoplasm, neoplastic, bladder (urinary) — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), dome — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), neck — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), orifice — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), orifice, ureteric — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), orifice, urethral — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), sphincter — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), trigone — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), urachus — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), wall — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), wall, anterior — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), wall, lateral — Ca in situ
  • Neoplasm, neoplastic, bladder (urinary), wall, posterior — Ca in situ
  • Neoplasm, neoplastic, urachus — Ca in situ
  • Neoplasm, neoplastic, ureter-bladder (junction) — Ca in situ
  • Neoplasm, neoplastic, ureter, ureteral, orifice (bladder) — Ca in situ
  • Neoplasm, neoplastic, urethra, urethral (gland), orifice, internal — Ca in situ

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code D04.0 Carcinoma in situ of skin of lip
ICD Code D05.0 Lobular carcinoma in situ of breast
ICD Code D06.0 Carcinoma in situ of endocervix
ICD Code D07.0 Carcinoma in situ of endometrium
ICD Code D10.0 Benign neoplasm of lip
ICD Code D11.0 Benign neoplasm of parotid gland
ICD Code D12.0 Benign neoplasm of cecum
ICD Code D13.0 Benign neoplasm of esophagus
ICD Code D14.0 Benign neoplasm of middle ear, nasal cavity and accessory sinuses
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